//
//  NSString+RAExtension.h
//  RayoSmartBleKey
//
//  Created by Piccolo on 08/03/2018.
//  Copyright © 2018 Piccolo. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (RAExtension)

- (NSString *)ra_toLower;
- (NSString *)ra_toUpper;

@end
